Bicycle frame



FIG. 1 is a right side elevation of a bicycle frame according to our newdesign having a protruding, tapered side contour, shown as mightoptionally be used with surrounding structure;

FIG. 2 is a top elevation of a bicycle frame according to our newdesign;

FIG. 3 is a bottom elevation thereof;

FIG. 4 is a front elevation thereof; and,

FIG. 5 is a back elevation thereof.

The left side elevation of a bicycle frame according to our new designis a mirror of the bicycle frame illustrated in FIG. 1.

The ornamental design for a bicycle frame, as shown and described.